SIEMENS MOORE 353A4FNNNENNNA Digital Process Controller

Technical SpecificationsModel:353A4FNNNENNNA Brand:SIEMENS MOORE Product Type:Multi-Loop Digital PID Process Controller Power Supply:100-240V AC,47-63Hz Input Signal:4-20mA, thermocouple, RTD Output Signal:4-20mA analog output, relay alarm contact Mounting:Panel mount Operating temperature:-20℃ ~ +60℃ Storage temperature:-40℃ ~ +85℃ Relative humidity:5%~95%, non-condensing Weight:1.8kg Dimension:76mm152mm330mm

System compatibility353A4FNNNENNNA belongs to SIEMENS MOORE 353A series standalone process controller. It can run independently for closed-loop process regulation, and communicate with upper DCS or HMI system via RS485 serial port.

FunctionThis multi-loop digital PID controller performs closed-loop control of temperature, pressure, flow and liquid level. It supports auto-tuning PID, cascade control, ratio control and feedforward control. Operators can set parameters, check real-time process value and alarm information through front keypad and display panel, also support simple sequence interlock logic.

InstallationCut off power before installation. Embed the controller into cabinet panel and lock mounting clips. Wire analog input, control output, alarm relay and power terminals according to wiring diagram. Complete PID tuning and communication address configuration after power on.

InterfaceRear analog input terminals, analog output terminals, relay alarm terminals, RS485 communication port, front panel display and operation keypad.

FeatureAuto-tuning PID algorithm, multiple control modes, built-in alarm logging, local human-machine operation, strong anti-interference performance for continuous plant operation. Obsolete legacy spare part, used for industrial process loop controller maintenance and replacement.

DiagnosticNo display: check AC power supply and terminal wiring. Control deviation: recalibrate PID parameters, verify sensor input signal. Communication failure: inspect RS485 wiring, terminal resistor and station address setting.

Product BriefSIEMENS MOORE 353A4FNNNENNNA is 353A series multi-loop digital PID process controller, widely used in petrochemical, boiler and water treatment industries for temperature, pressure and flow closed-loop control.

DisclaimerAll parameters are for reference only and shall not be used as the basis for quotation. Goods are scarce, overseas delivery lead time is 3-7 working days. It is only used for equipment maintenance and renovation.